package com.gj.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.gj.reggie.constant.LoginConstant;
import com.gj.reggie.entity.Employee;
import com.gj.reggie.entity.R;
import com.gj.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.time.LocalDateTime;

/**
 * @author 郭嘉
 * @date 2022/11/29 - 15:16
 */
@RestController
@Slf4j
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;


    // 员工登录
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){

        //提交的密码进行MD5加密处理
        String password=employee.getPassword();
        password=DigestUtils.md5DigestAsHex(password.getBytes());
        // 查数据库
        LambdaQueryWrapper<Employee> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee emp=employeeService.getOne(queryWrapper);

        if(emp==null){
            return R.error("登录失败!");

        }

        if(!emp.getPassword().equals(password)){
            return R.error("密码错误!");
        }

        //查看员工状态
        if(emp.getStatus()==0){
            return R.error("账号已禁用!");
        }

        HttpSession session =request.getSession();
        session.setAttribute(LoginConstant.LOGIN_EMP,emp.getId());

        return R.success(emp);
    }

    /*
    员工退出
     */
    @PostMapping("/logout")
     public R<String> loginOut(HttpServletRequest request){

       request.getSession().removeAttribute(LoginConstant.LOGIN_EMP);
       return R.success("退出成功!");
     }

    /**
     * 新增员工
     * @param employee
     * @return
     */
     @PostMapping
     public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
         //设置初始密码，需要进行MD5加密
         employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

/*         employee.setCreateTime(LocalDateTime.now());
         employee.setUpdateTime(LocalDateTime.now());

         //用户id
         Long empId=(Long) request.getSession().getAttribute(LoginConstant.LOGIN_EMP);
         employee.setCreateUser(empId);
         employee.setUpdateUser(empId);*/

         employeeService.save(employee);

         return R.success("新增员工成功");
     }
    /**
     * 员工分页查询
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        log.info("page ={},pageSize={},name={}",page,pageSize,name);
        //构造分页构造器
        Page pageInfo=new Page(page,pageSize);
        //条件构造器
        LambdaQueryWrapper<Employee> queryWrapper=new LambdaQueryWrapper();
        //添加过滤条件
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        queryWrapper.orderByDesc(Employee::getUpdateTime);

        employeeService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }

    /**
     * 修改员工通用方法
     */
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){

        /*long empId=(Long) request.getSession().getAttribute(LoginConstant.LOGIN_EMP);

        employee.setUpdateTime(LocalDateTime.now());
        employee.setUpdateUser(empId);*/

        employeeService.updateById(employee);
        return R.success("员工信息修改成功");
    }

    /**
     * 根据id查询员工信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id){
        Employee employee=employeeService.getById(id);
        if(employee!=null){
            return R.success(employee);
        }
        return R.error("没有查询到该员工信息");

    }
}
